Free Printable Variables Reinforced

1.

This is any factor, trait, or condition that can exist in differing amounts or types that can affect the results of a scientific investigation.

a)

data

b)

variable

c)

measurement

d)

problem

2.

This is a variable that causes an effect to the dependent variables.

a)

Independent variable

b)

Dependent variable

c)

Controlled variable

d)

Constant variable

3.

Which of the following is the dependent variable in the research problem “Effect of aloe vera to the inhibition zone of E.coli,”?

a)

humidity

b)

temperature

c)

growth of E. coli

d)

amount of aloe vera

4.

Which is the dependent variable in the experiment, " The effect of sunlight to the growth of mango seedlings."?

a)

amount of sunlight

b)

growth of mango seedlings

c)

variety of mango seedling

d)

type of soil used

5.

This variable is the one thing that changed on purpose...

a)

Dependent Variable

b)

Control

c)

Independent Variable

6.

What is the DEPENDENT variable (effect) in this experiment?

"Does eating breakfast improve test scores?"

a)

eating breakfast or not

b)

the grade you got on the test

c)

what time you get up in the morning

d)

how tasty the breakfast is

7.

You are testing how the amount you water a plant affects its growth. What would be the INDEPENDENT VARIABLE in this experiment.

a)

They type of pot you put the plants in.

b)

The amount you water each plant.

c)

The amount of sunlight the plants get.

d)

The amount the plant grows.

8.

A scientist is testing which flavor of ice cream melts the fastest. What would his controlled variables be? (choose ALL that apply)

a)

The flavor of ice cream

b)

the kind of cone the ice creams are in

c)

the place in the room where the ice cream is

d)

the size of the scoop

e)

the time it takes to melt

9.

What is the DEPENDENT variable (effect that is measured) in this experiment?

"Do tall people jump further than short people?"

a)

height of the person

b)

weight of the person

c)

how fast the person runs

d)

how far the person jumps

10.

The variable that is being tested, counted, or measured and how it reacts to the independent variable is known as:

a)

Independent Variable

b)

Controlled Variable

c)

Dependent Variable

11.

These are the variables that should stay the same. They do not get any changes in order to make for a fair test.

a)

Dependent Variables

b)

Controlled variables

c)

Independent Variables

12.

Mr. Pransky wants to see how different surfaces affect how high a tennis ball can bounce. What is the independent variable?

a)

the different surfaces

b)

using the same ball

c)

how high they bounce

13.

What is the INDEPENDENT variable (cause)in this experiment?
"Which type of metal, copper or aluminum, conducts heat faster?"

a)

size of metal

b)

types of metal

c)

time it takes to heat up

d)

shape of the metal

14.

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

a)

The type of plant

b)

The amount of sunlight

c)

The type of music

d)

The type of liquid

15.

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?

a)

Type of plant

b)

Water, apple juice, milk

c)

Plant growth

Variables Reinforced

Total questions: 15

Worksheet time: 17mins

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